QA/G-4 provides non-mandatory guidance on developing Data Quality Objectives (DQOs) using a systematic planning process based on the graded approach. The guidance presents a step-by-step description of the DQO process. The Aug 2000 version supercedes the Sept 1994 version.

QA/G-5 provides guidance on developing Quality Assurance Project Plans (QAPPs) that will meet EPA expectations and requirements. This document provides a linkage between the DQO process and the QAPP. It contains tips, advice, and case studies to help users develop improved QAPPs.

QA/G-11 provides guidance for environmental technology projects.This development will be accomplished in two phases. This document provides relevant information on the design, construction, and operation of environmental technology and the quality assurance and quality controls practices needed to support them.

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The Volunteer Monitor's Guide To Quality Assurance Project Plans

EPA 841-B-96-003September 1996

This document was prepared by the EPA Office of Wetlands, Oceans, and Watersheds (OWOW), and is designed to encourage and facilitate the development of volunteer QAPPs by presenting explanations and examples. The examples follow the format of the EPA QA/R-5 EPA Requirements for Quality Assurance Project Plans for Environmental Data Operations guidance. This document explains the basic steps and processes one goes through when preparing a quality assurance project plan. Highly recommended introductory-level document if you are just getting started with the preparation of quality assurance project plans for any EPA program.

QA/G-4D is a PC-based software package designed to determine the feasibility of data quality objectives defined using the Data Quality Objectives (DQO) process. The software supplements the guidance provided in EPA QA/G-4. The previous DOS-based software has been replaced with a Windows-based software program.